Connect your SoundGrid Servers, M-Waves card (installed in your A&H console) to your host computer as shown below and power them all up.

Install/Update your SoundGrid Server software
Open MultiRack SoundGrid. On Start up MultiRack will scan for connected devices. If found incompatible software/firmware a message will pop up. To update go to Edit menu and choose Inventory. Inventory Window will show list of connected devices. Devices with older firmware/software will be highlighted in red. Click Update button next to device to start the Updater. Follow the steps to complete the update process.

Install/Update M-Waves firmware
Open MultiRack SoundGrid. On Start up MultiRack will scan for connected devices. If found incompatible software/firmware a message will pop up. To update go to Edit menu and choose Inventory. Inventory Window will show list of connected devices. Devices with older firmware/software will be highlighted in red. Click Update button next to device to start the Updater.